A model of an adult penis is provided for use in practicing and testing various circumcision procedures. The model includes a form in the approximate shape of an adult penis and a removable and replaceable practice foreskin positionable over the form. The form includes a glans component and a base component. A tube of flexible material is provided to form the artificial foreskin over the glans and base components. A method of forming an practice foreskin for use in testing and training a practitioner in circumcision procedures is also disclosed.